Finding the Third Proportional to 91,567.50 and 190,153.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,567.50 : 190,153.50 = 190,153.50 : x
2. Step 2: Convert to fraction form
   91,567.50/190,153.50 = 190,153.50/x
3. Step 3: Cross multiply
   91,567.50x = 190,153.50 × 190,153.50
4. Step 4: Simplify right side
   91,567.50x = 36,158,353,562.25
5. Step 5: Solve for x
   x = 36,158,353,562.25/91,567.50
6. Step 6: Final answer
   x = 394,881.96